In the case of McMansions, that's often also true. While the author didn't address it, generally the craftsmanship follows the (lack of) design. Subpar stucco, heavy use of quarter round because cutting floors and walls that fit is time-consuming, poor use of interior space, etc.

McMansions are a great example of form over function. They meet the buyers notion how a "fancy" house should appear. But, they stop there.